<dl>
          <dd style="background:url([field:litpic/]) no-repeat center top; background-size:cover;"><a href="http://www.niceui.cn/?c=cases&a=view&nid=2"></a></dd>
          <dt>
            <h3><a href="[field:arcurl/]">[field:title/]</a></h3>
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          <dt>[field:description function='cn_substr(@me,50)'/]...</dt>
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